Interannual variability of the Kuroshio transport passing through the 137°E meridian in an OGCM related to the north pacific windstress

Yoshinobu Wakata, Takashi Setou, Ikuo Kaneko, Hiroshi Uchida, Shiro Imawaki

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The interannual variability of the Kuroshio volume transport passing through the 137°E meridian south of Japan was simulated with an ocean general circulation model (OGCM). The time series of the Kuroshio volume transport over the 1000 m depth in the OGCM is well reproduced by the one-dimensional quasi-geostrophic (QG) vorticity equation with a windstress forcing. In our analysis of the OGCM and QG results, we found that peaks and troughs of the time series of the Kuroshio volume transport with 2-3 yr time-scale were induced by windstress curl, both local and immediately eastward, whereas longer time-scale variability was also induced by windstress curl near the dateline.

Original languageEnglish
Pages (from-to)25-35
Number of pages11
JournalJournal of Oceanography
Volume62
Issue number1
DOIs
Publication statusPublished - Feb 1 2006

All Science Journal Classification (ASJC) codes

  • Oceanography

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